<template>
  <div id="app">
    <!--面包屑导航区域-->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item><a href="#">商品管理</a></el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!--卡片视图区域-->
    <el-card lass="box-card">
      <!-- 卡片头部区域 -->
      <div slot="header" class="clearfix">
        <!-- 搜索与添加区域 -->
        <el-row :gutter="20">
          <el-col :span="9">
            <el-input
              placeholder="请输入内容"
              v-model="queryInfo.query"
              class="input-with-select"
              clearable
              @clear="getGoodsList"
            >
              <el-button
                slot="append"
                icon="el-icon-search"
                @click="getGoodsList"
              ></el-button>
            </el-input>
          </el-col>
          <el-col :span="4">
            <el-button type="primary" @click="toNext">添加商品</el-button>
          </el-col>
        </el-row>
      </div>
      <!-- 卡片主体区域 -->
      <el-table :data="goodsList" border stripe>
        <!-- 第一行利用type加上index做成了索引列 -->
        <el-table-column type="index"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column
          label="商品价格"
          prop="goods_price"
          width="95px"
        ></el-table-column>
        <el-table-column
          label="重量"
          prop="goods_weight"
          width="70px"
        ></el-table-column>
        <el-table-column
          label="创建时间"
          prop="add_time"
          width="150px"
          v-slot="scope"
        >
          {{ scope.row.add_time | timeFormat }}
        </el-table-column>
        <el-table-column label="操作" v-slot="scope" width="195px">
          <!-- 修改按钮 -->
          <el-button
            type="primary"
            size="mini"
            icon="el-icon-edit"
            @click="showEditDialog(scope.row.goods_id)"
            >编辑</el-button
          >
          <!-- 删除按钮 -->
          <el-button
            type="danger"
            size="mini"
            icon="el-icon-delete"
            @click="delUserById(scope.row.goods_id)"
            >删除</el-button
          >
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[3, 5, 8, 10, 15]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
  </div>
</template>
<script>
export default {
  data() {
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      //   总共商品条数
      total: 0,
      //   table需要渲染的列表数据
      goodsList: []
    }
  },
  created() {
    this.getGoodsList()
  },
  methods: {
    //   获取商品列表数据
    async getGoodsList() {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) {
        return this.$message.error('获取数据失败')
      }
      //   this.$message.success('获取数据成功')
      this.total = res.data.total
      this.goodsList = res.data.goods
    },
    // 每页条数改变
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    // 页码改变
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    // 添加商品按钮去下一个页面
    toNext() {
      // this.$router.push({name:'add',params:{name:'add'}})
      this.$router.push('/goods/add')
    },
    // 删除商品信息
    async delUserById(row) {
      const delResult = await this.$confirm(
        '此操作将永久删除该文件, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(error => error)
      if (delResult !== 'confirm') {
        return this.$message({ type: 'info', message: '已取消删除' })
      }
      const { data: res } = await this.$http.delete(`goods/${row}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除商品失败')
      }
      this.$message.success('删除商品成功')
      this.getGoodsList()
    }
  }
}
</script>
<style lang="less" scoped></style>
